/*
* If the function encouters any errors it will return the
* last one. Done to always try to set as many samplers
* as possible.
*/
enum pipe_error
cso_set_samplers(struct cso_context *ctx,
unsigned shader_stage,
unsigned nr,
const struct pipe_sampler_state **templates)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i;
enum pipe_error temp, error = PIPE_OK;
/* TODO: fastpath
*/
for (i = 0; i < nr; i++) {
temp = single_sampler(ctx, info, i, templates[i]);
if (temp != PIPE_OK)
error = temp;
}
for ( ; i < info->nr_samplers; i++) {
temp = single_sampler(ctx, info, i, NULL);
if (temp != PIPE_OK)
error = temp;
}
single_sampler_done(ctx, shader_stage);
return error;
}
static void
restore_samplers(struct cso_context *ctx, struct sampler_info *info)
{
info->nr_samplers = info->nr_samplers_saved;
memcpy(info->samplers, info->samplers_saved, sizeof(info->samplers));
single_sampler_done(ctx, info);
}
void
cso_restore_samplers(struct cso_context *ctx, unsigned shader_stage)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
info->nr_samplers = info->nr_samplers_saved;
memcpy(info->samplers, info->samplers_saved, sizeof(info->samplers));
single_sampler_done(ctx, shader_stage);
}
void
cso_single_sampler_done(struct cso_context *ctx, unsigned shader_stage)
{
single_sampler_done(ctx, shader_stage);
}
void
cso_single_vertex_sampler_done(struct cso_context *ctx)
{
single_sampler_done(ctx, &ctx->vertex_samplers);
}
void
cso_single_sampler_done( struct cso_context *ctx )
{
single_sampler_done(ctx, &ctx->fragment_samplers);
}